Location History:
- Nakatsu Oita, JP (2020)
- Oita Oita, JP (2020)
- Oita, JP (2006 - 2022)
Company Filing History:
6 out of 52,752 
4 out of 1,515 Years Active: 2006-2022
Title: Junichi Todaka: Innovator in Optical and Semiconductor Technologies
Introduction
Junichi Todaka is a prominent inventor based in Oita, Japan. He has made significant contributions to the fields of optical and semiconductor technologies. With a total of 6 patents to his name, Todaka's work has had a notable impact on the industry.
Latest Patents
One of his latest patents is an optical receiving circuit. This circuit includes a current compensation circuit, a photodiode, and a transimpedance circuit. The current compensation circuit generates a first current with a positive temperature coefficient. The photodiode receives an optical signal, generates a first current signal that includes a photoelectric conversion current with a negative temperature coefficient, and outputs a second current signal, which is the sum of the first current and the first current signal. The transimpedance circuit, equipped with a negative feedback resistor, receives the second current signal and generates an output voltage by current-voltage-converting the second current signal.
Another significant patent is related to a semiconductor device. This device includes an output reset circuit, which consists of several components. The first circuit monitors the power-supply voltage and generates a reset signal. The logic circuit controls the logic level of the output signal based on the reset signal. The second circuit generates a current according to the power-supply voltage and the reset signal. The third circuit generates a control signal based on the current and the reset signal. Finally, the fourth circuit controls the output signal according to the control signal.
Career Highlights
Throughout his career, Junichi Todaka has worked with notable companies, including Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas.
Collaborations
Some of his coworkers include Atsushi Namai and Shuji Toda. Their collaboration has contributed to the advancement of technology in their respective fields.
Conclusion
Junichi Todaka's contributions to optical and semiconductor technologies demonstrate his innovative spirit and dedication to advancing the industry. His patents reflect a deep understanding of complex systems and a commitment to improving technological solutions.